Update docs/upgrading_to_v8.0.md

Co-authored-by: Bharath KKB <[email protected]>

Author: yuktatechgog

docs/upgrading_to_v8.0.md

@@ -4,6 +4,6 @@ The v8.0 release contains backwards-incompatible changes.
 
 ### [`project` variable](https://github.com/terraform-google-modules/terraform-google-cloud-router/blob/v7.4.0/variables.tf#L25) renamed to `project_id`
 
-To align with the standard naming convention for Application Design Center (ADC) compliance, the `project` input variable has been renamed to `project_id`. This change applies to the main module and submodule (`interface`).
+To align with the standard naming conventions, the `project` input variable has been renamed to `project_id`. This change applies to the main module and submodule (`interface`).
 
 To upgrade, module calls must be updated to use the `project_id` argument and the version constraint must be updated to `~> 8.0`.